(3) 6.0 Sand, glauconite, fq, clayey weather O-B in lower 3', more clayey, gray-weather above. Cepped by zone large brown concs., gray weather, yellow calcite in cracks. Locality 57B (now loc 213) Chiefly the SW slopes of NW trending spur of divide in center of line between sections 29 and 30, T. 15 N., P 25 E. Collections chiefly from Protoceratid layer but some concs largely made up of D. nicolletii may be from upper Dinic. layer. These found in grass roots about 17 ft above the concs of the Reznut brittle. A488, A492 Localities 57, 57A+B Exposures at these localities show well the changes taking place in lower Trail City between the Whitehorse localities and Route 63 localities. (1) Concretions of the D. nicolletii zone are abundant - that is the lower ones with thick gray, laminated to massive silt jackets and blech gypsiferous rinds, but the gray limestone cores are small and out of 30 or more examined